CVE-2025-66121

WordPress SiteGround Security plugin <= 1.5.8 - Broken Access Control vulnerability

State: Published
Severity: 5.3 Medium
Published: Dec 16, 2025
Updated: Apr 28, 2026
Reserved: Nov 21, 2025

Description

Missing Authorization vulnerability in SiteGround SiteGround Security sg-security allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects SiteGround Security: from n/a through <= 1.5.8.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	Patchstack

Weaknesses

CWE-862 Missing Authorization

Affected Products

Product	Versions
SiteGround SecuritySiteGround	1.5.8 and earlierAffectedfrom 1.5.9Not affected

References

https://patchstack.com/database/Wordpress/Plugin/sg-security/vulnerability/wordpress-siteground-security-plugin-1-5-8-broken-access-control-vulnerability?_s_id=cvevdb-entry

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